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The guides in this section will assist you in setting up and configuring WHMCS modules. The Guide column points to the module guide page, while the Module column shows where the module can be downloaded. Check out What's New to see the updates and improvements.

  • The update (18/01/2016) of the WHMCS modules includes improved validation where there is no username attached to a service which is deleted. Under previous releases this scenario could lead to the first user on the cloud being deleted. Due to this we would strongly advise to upgrade.
  • To ensure that all WHMCS modules are working correctly you need to be running an LTS OnApp version.

This documentation is provided by


Cloud Module (.zip, 03rd March 2017,575 kB, v1.7.1)

The Cloud module allows you to sell groups of resources to clients, where they can then create, build, reboot, shut down, start up, rebuild and delete virtual servers directly from WHMCS within the limits of the resources given.

OnApp WHMCS Cloud Module Guide

Billing Module(.zip, 03rd March 2017, 642 kB, v1.7.1)

WHMCS Billing module allows you to set up additional billing options and produce invoices for your clients.

OnApp WHMCS Billing Module Guide

User Module (GitHub; v3.7.0)The OnApp Users module for WHMCS allows you to create, suspend and activate users directly from WHMCS. Clients then log directly into OnApp to build and manage their VSs with WHMCS handling billing. To learn how this module integrates with OnApp, refer to WHMCS Integration for VPS.OnApp WHMCS Users Module Guide
Reseller Module (.zip, 03rd March 2017, 225 kB, v1.7.1)The Reseller Module allows you to create your own branded VPS module to provide to your resellers. Your resellers then manage their own customers and orders through their own WHMCS.

OnApp WHMCS Reseller Module Guide

VPS Module(.zip, 03rd March 2017, 275 kB, v1.7.1)

The WHMCS VPS Module allows your clients to create, build, reboot, shut down, start up, and rebuild a single VPS directly through WHMCS.

OnApp WHMCS VPS Module Guide

DNS Module(.zip, 03rd March 2017, 49 kB, v1.7.1)

DNS Module allows your clients to manage DNS zones and records directly through WHMCS.

OnApp WHMCS DNS Module Guide

CDN Module(.zip, 03rd March 2017, 181 kB, v1.7.1)

The CDN Module makes it possible for your clients to manage CDN resources from the WHMCS.
If you are using the old CDN module which is no longer supported - use migration tool to switch to the current CDN Module.  
OnApp WHMCS CDN Module Guide

vCD module (.zip, 23rd March 2017, 465 KB)

OnApp vCD For WHMCS module allows you to offer vCloud Director functionality on your OnApp server for your customers using WHMCS. OnApp WHMCS vCloud Module Guide

Custom Templates(.zip, 24th February 2017, 1.93 MB) 

You can use a custom template order instead of the standard template. 

We recommend you to make WHMCS backup prior upgrading to new modules.       

Please note, currently the WHMCS modules do not support incremental backups.
In case of usage of WHMCS modules, the use of incremental backups will be impossible.